This Single Gang Dimmer Switch from the Aspire Range is manufactured in the UK by Contactum to the very highest standards, distinguishing it from other imported products.&nbsp;Both ourself and Contactum are so confident in the quality of these British made dimmer switch that all electrical products come with a 25 year guarantee against faulty materials or workmanship. Electronic products have a three year guarantee unless otherwise stated. In addition the electrical screws come fully backed off for extra ease of installation This dimmer switch has a smooth rounded profile edge and gives a modern aspect to both old and new properties.